Warning: Permanently added '10.128.10.9' (ECDSA) to the list of known hosts. 2021/04/30 22:26:53 fuzzer started 2021/04/30 22:26:53 connecting to host at 10.128.0.169:33003 2021/04/30 22:26:53 checking machine... 2021/04/30 22:26:53 checking revisions... 2021/04/30 22:26:53 testing simple program... syzkaller login: [ 72.289867][ T8406] chnl_net:caif_netlink_parms(): no params data found [ 72.342240][ T8406] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.350786][ T8406] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.358785][ T8406] device bridge_slave_0 entered promiscuous mode [ 72.369537][ T8406] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.377217][ T8406] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.386393][ T8406] device bridge_slave_1 entered promiscuous mode [ 72.409216][ T8406] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.421253][ T8406] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.443008][ T8406] team0: Port device team_slave_0 added [ 72.451585][ T8406] team0: Port device team_slave_1 added [ 72.469719][ T8406] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.477048][ T8406] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 72.503283][ T8406] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.516655][ T8406] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.523771][ T8406] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 72.550393][ T8406] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.577002][ T8406] device hsr_slave_0 entered promiscuous mode [ 72.584113][ T8406] device hsr_slave_1 entered promiscuous mode [ 72.684651][ T8406] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.695226][ T8406] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.705347][ T8406] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.715616][ T8406] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.739921][ T8406] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.747551][ T8406] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.755371][ T8406] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.762526][ T8406] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.806263][ T8406] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.823572][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.835202][ T2937] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.845683][ T2937] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.855128][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 72.870626][ T8406] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.882694][ T4850] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.891252][ T4850] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.898453][ T4850] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.922300][ T4850] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.931625][ T4850] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.938796][ T4850] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.947779][ T4850] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.968269][ T8406] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.978973][ T8406] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.996510][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.006054][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.014826][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.023879][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.032870][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.050716][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.058577][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.076495][ T8406] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.096367][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.119226][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.128016][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.137732][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.149233][ T8406] device veth0_vlan entered promiscuous mode [ 73.163550][ T8406] device veth1_vlan entered promiscuous mode [ 73.188041][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.197275][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.206481][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.218490][ T8406] device veth0_macvtap entered promiscuous mode [ 73.230271][ T8406] device veth1_macvtap entered promiscuous mode [ 73.250170][ T8406] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.258284][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.269830][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.283816][ T8406] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.291649][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.302855][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.315524][ T8406] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.328150][ T8406] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.337342][ T8406] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.348538][ T8406] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.437717][ T162] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.455401][ T162] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 73.493455][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 73.503663][ T162] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.515829][ T162] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.525706][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/04/30 22:26:56 building call list... [ 74.203125][ T66] ------------[ cut here ]------------ [ 74.208806][ T66] hook not found, pf 3 num 0 [ 74.209395][ T66] WARNING: CPU: 1 PID: 66 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 74.241206][ T66] Modules linked in: [ 74.250582][ T66] CPU: 1 PID: 66 Comm: kworker/u4:2 Not tainted 5.12.0-syzkaller #0 [ 74.258920][ T66] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.272354][ T66] Workqueue: netns cleanup_net [ 74.277312][ T66] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 74.284310][ T66] Code: 0f b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 11 04 00 00 8b 53 1c 89 ee 48 c7 c7 c0 78 6d 8a e8 40 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 74.305938][ T66] RSP: 0018:ffffc90000e3fbc0 EFLAGS: 00010286 [ 74.314488][ T66] RAX: 0000000000000000 RBX: ffff888147a1ba00 RCX: 0000000000000000 [ 74.323240][ T66] RDX: ffff8880121f8000 RSI: ffffffff815c8ba5 RDI: fffff520001c7f6a [ 74.332531][ T66] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 74.341150][ T66] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888015ea8f20 [ 74.349735][ T66] R13: 0000000000000000 R14: ffff88801c55f280 R15: 0000000000000001 [ 74.358894][ T66] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 74.368496][ T66] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.375603][ T66] CR2: 000055d4a7bc2630 CR3: 0000000014de9000 CR4: 00000000001506e0 [ 74.384442][ T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.393550][ T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.402304][ T66] Call Trace: [ 74.405679][ T66] nf_unregister_net_hooks+0x117/0x160 [ 74.411761][ T66] arpt_unregister_table_pre_exit+0x67/0x80 [ 74.417853][ T66] ? arptable_filter_net_exit+0x20/0x20 [ 74.424099][ T66] cleanup_net+0x451/0xb10 [ 74.428657][ T66] ? ops_free_list.part.0+0x3d0/0x3d0 [ 74.437547][ T66] process_one_work+0x98d/0x1600 [ 74.443388][ T66] ? pwq_dec_nr_in_flight+0x320/0x320 [ 74.448999][ T66] ? rwlock_bug.part.0+0x90/0x90 [ 74.455337][ T66] ? _raw_spin_lock_irq+0x41/0x50 [ 74.461590][ T66] worker_thread+0x64c/0x1120 [ 74.466388][ T66] ? process_one_work+0x1600/0x1600 [ 74.472181][ T66] kthread+0x3b1/0x4a0 [ 74.476380][ T66] ? __kthread_bind_mask+0xc0/0xc0 [ 74.482495][ T66] ret_from_fork+0x1f/0x30 [ 74.487094][ T66] Kernel panic - not syncing: panic_on_warn set ... [ 74.493771][ T66] CPU: 1 PID: 66 Comm: kworker/u4:2 Not tainted 5.12.0-syzkaller #0 [ 74.502183][ T66] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.512253][ T66] Workqueue: netns cleanup_net [ 74.517127][ T66] Call Trace: [ 74.520515][ T66] dump_stack+0x141/0x1d7 [ 74.524865][ T66] panic+0x306/0x73d [ 74.528801][ T66] ? __warn_printk+0xf3/0xf3 [ 74.533624][ T66] ? __warn.cold+0x1a/0x44 [ 74.538149][ T66] ? __nf_unregister_net_hook+0x1eb/0x610 [ 74.543907][ T66] __warn.cold+0x35/0x44 [ 74.548480][ T66] ? __nf_unregister_net_hook+0x1eb/0x610 [ 74.554536][ T66] report_bug+0x1bd/0x210 [ 74.558890][ T66] handle_bug+0x3c/0x60 [ 74.563525][ T66] exc_invalid_op+0x14/0x40 [ 74.568142][ T66] asm_exc_invalid_op+0x12/0x20 [ 74.573414][ T66] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 74.579952][ T66] Code: 0f b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 11 04 00 00 8b 53 1c 89 ee 48 c7 c7 c0 78 6d 8a e8 40 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 74.600336][ T66] RSP: 0018:ffffc90000e3fbc0 EFLAGS: 00010286 [ 74.606476][ T66] RAX: 0000000000000000 RBX: ffff888147a1ba00 RCX: 0000000000000000 [ 74.614443][ T66] RDX: ffff8880121f8000 RSI: ffffffff815c8ba5 RDI: fffff520001c7f6a [ 74.622670][ T66] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 74.631260][ T66] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888015ea8f20 [ 74.639240][ T66] R13: 0000000000000000 R14: ffff88801c55f280 R15: 0000000000000001 [ 74.647385][ T66] ? wake_up_klogd.part.0+0x8e/0xd0 [ 74.652694][ T66] ? vprintk+0x95/0x260 [ 74.656867][ T66] nf_unregister_net_hooks+0x117/0x160 [ 74.662340][ T66] arpt_unregister_table_pre_exit+0x67/0x80 [ 74.668421][ T66] ? arptable_filter_net_exit+0x20/0x20 [ 74.673968][ T66] cleanup_net+0x451/0xb10 [ 74.678422][ T66] ? ops_free_list.part.0+0x3d0/0x3d0 [ 74.683924][ T66] process_one_work+0x98d/0x1600 [ 74.689250][ T66] ? pwq_dec_nr_in_flight+0x320/0x320 [ 74.694644][ T66] ? rwlock_bug.part.0+0x90/0x90 [ 74.699585][ T66] ? _raw_spin_lock_irq+0x41/0x50 [ 74.704614][ T66] worker_thread+0x64c/0x1120 [ 74.709402][ T66] ? process_one_work+0x1600/0x1600 [ 74.714625][ T66] kthread+0x3b1/0x4a0 [ 74.718790][ T66] ? __kthread_bind_mask+0xc0/0xc0 [ 74.724037][ T66] ret_from_fork+0x1f/0x30 [ 74.730199][ T66] Kernel Offset: disabled [ 74.735024][ T66] Rebooting in 86400 seconds..